:root{--bg: #f5f7ff;--card: #ffffff;--border: rgba(0, 0, 0, .08);--text: #1f2937;--muted: #6b7280;--primary: #6366f1;--primary-light: #8b5cf6;--danger: #ef4444;--radius: 18px}*,*:before,*:after{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{font-size:16px;scroll-behavior:smooth}body{margin:0;min-height:100vh;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont;background:radial-gradient(circle at right,#eaeaff,#f5f7ff);color:var(--text);overflow-x:hidden}button,input,select,textarea{touch-action:manipulation}@keyframes fadeSlideUp{0%{opacity:0;transform:translateY(20px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.app-header{margin:16px;padding:14px 18px;background:var(--card);border-radius:var(--radius);position:sticky;top:0;z-index:1500;overflow:visible;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;box-shadow:0 12px 30px #00000014;animation:fadeSlideUp .5s ease-out 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select{padding:12px 40px 12px 16px;border-radius:999px;border:1px solid var(--border);background:#fff}.task-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}@media(max-width:1200px){.task-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.task-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:480px){.task-grid{grid-template-columns:1fr}}.task-card{background:var(--card);border-radius:22px;padding:20px;box-shadow:0 14px 34px #00000014}.task-card.done{opacity:.6}.task-card.done h3{text-decoration:line-through}.actions{display:flex;gap:10px;flex-wrap:wrap}.actions button{padding:8px 14px;border-radius:999px;border:1px solid var(--border);background:#eef2ff}.actions 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